1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * acpi.h - ACPI Interface 4 * 5 * Copyright (C) 2001 Paul Diefenbaugh <[email protected]> 6 */ 7 8 #ifndef _LINUX_ACPI_H 9 #define _LINUX_ACPI_H 10 11 #include <linux/errno.h> 12 #include <linux/ioport.h> /* for struct resource */ 13 #include <linux/irqdomain.h> 14 #include <linux/resource_ext.h> 15 #include <linux/device.h> 16 #include <linux/property.h> 17 #include <linux/uuid.h> 18 19 #ifndef _LINUX 20 #define _LINUX 21 #endif 22 #include <acpi/acpi.h> 23 24 #ifdef CONFIG_ACPI 25 26 #include <linux/list.h> 27 #include <linux/mod_devicetable.h> 28 #include <linux/dynamic_debug.h> 29 #include <linux/module.h> 30 #include <linux/mutex.h> 31 32 #include <acpi/acpi_bus.h> 33 #include <acpi/acpi_drivers.h> 34 #include <acpi/acpi_numa.h> 35 #include <acpi/acpi_io.h> 36 #include <asm/acpi.h> 37 38 static inline acpi_handle acpi_device_handle(struct acpi_device *adev) 39 { 40 return adev ? adev->handle : NULL; 41 } 42 43 #define ACPI_COMPANION(dev) to_acpi_device_node((dev)->fwnode) 44 #define ACPI_COMPANION_SET(dev, adev) set_primary_fwnode(dev, (adev) ? \ 45 acpi_fwnode_handle(adev) : NULL) 46 #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) 47 #define ACPI_HANDLE_FWNODE(fwnode) \ 48 acpi_device_handle(to_acpi_device_node(fwnode)) 49 50 static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) 51 { 52 struct fwnode_handle *fwnode; 53 54 fwnode = kzalloc(sizeof(struct fwnode_handle), GFP_KERNEL); 55 if (!fwnode) 56 return NULL; 57 58 fwnode->ops = &acpi_static_fwnode_ops; 59 60 return fwnode; 61 } 62 63 static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) 64 { 65 if (WARN_ON(!is_acpi_static_node(fwnode))) 66 return; 67 68 kfree(fwnode); 69 } 70 71 /** 72 * ACPI_DEVICE_CLASS - macro used to describe an ACPI device with 73 * the PCI-defined class-code information 74 * 75 * @_cls : the class, subclass, prog-if triple for this device 76 * @_msk : the class mask for this device 77 * 78 * This macro is used to create a struct acpi_device_id that matches a 79 * specific PCI class. The .id and .driver_data fields will be left 80 * initialized with the default value. 81 */ 82 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (_cls), .cls_msk = (_msk), 83 84 static inline bool has_acpi_companion(struct device *dev) 85 { 86 return is_acpi_device_node(dev->fwnode); 87 } 88 89 static inline void acpi_preset_companion(struct device *dev, 90 struct acpi_device *parent, u64 addr) 91 { 92 ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, false)); 93 } 94 95 static inline const char *acpi_dev_name(struct acpi_device *adev) 96 { 97 return dev_name(&adev->dev); 98 } 99 100 struct device *acpi_get_first_physical_node(struct acpi_device *adev); 101 102 enum acpi_irq_model_id { 103 ACPI_IRQ_MODEL_PIC = 0, 104 ACPI_IRQ_MODEL_IOAPIC, 105 ACPI_IRQ_MODEL_IOSAPIC, 106 ACPI_IRQ_MODEL_PLATFORM, 107 ACPI_IRQ_MODEL_GIC, 108 ACPI_IRQ_MODEL_COUNT 109 }; 110 111 extern enum acpi_irq_model_id acpi_irq_model; 112 113 enum acpi_interrupt_id { 114 ACPI_INTERRUPT_PMI = 1, 115 ACPI_INTERRUPT_INIT, 116 ACPI_INTERRUPT_CPEI, 117 ACPI_INTERRUPT_COUNT 118 }; 119 120 #define ACPI_SPACE_MEM 0 121 122 enum acpi_address_range_id { 123 ACPI_ADDRESS_RANGE_MEMORY = 1, 124 ACPI_ADDRESS_RANGE_RESERVED = 2, 125 ACPI_ADDRESS_RANGE_ACPI = 3, 126 ACPI_ADDRESS_RANGE_NVS = 4, 127 ACPI_ADDRESS_RANGE_COUNT 128 }; 129 130 131 /* Table Handlers */ 132 union acpi_subtable_headers { 133 struct acpi_subtable_header common; 134 struct acpi_hmat_structure hmat; 135 }; 136 137 typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); 138 139 typedef int (*acpi_tbl_entry_handler)(union acpi_subtable_headers *header, 140 const unsigned long end); 141 142 /* Debugger support */ 143 144 struct acpi_debugger_ops { 145 int (*create_thread)(acpi_osd_exec_callback function, void *context); 146 ssize_t (*write_log)(const char *msg); 147 ssize_t (*read_cmd)(char *buffer, size_t length); 148 int (*wait_command_ready)(bool single_step, char *buffer, size_t length); 149 int (*notify_command_complete)(void); 150 }; 151 152 struct acpi_debugger { 153 const struct acpi_debugger_ops *ops; 154 struct module *owner; 155 struct mutex lock; 156 }; 157 158 #ifdef CONFIG_ACPI_DEBUGGER 159 int __init acpi_debugger_init(void); 160 int acpi_register_debugger(struct module *owner, 161 const struct acpi_debugger_ops *ops); 162 void acpi_unregister_debugger(const struct acpi_debugger_ops *ops); 163 int acpi_debugger_create_thread(acpi_osd_exec_callback function, void *context); 164 ssize_t acpi_debugger_write_log(const char *msg); 165 ssize_t acpi_debugger_read_cmd(char *buffer, size_t buffer_length); 166 int acpi_debugger_wait_command_ready(void); 167 int acpi_debugger_notify_command_complete(void); 168 #else 169 static inline int acpi_debugger_init(void) 170 { 171 return -ENODEV; 172 } 173 174 static inline int acpi_register_debugger(struct module *owner, 175 const struct acpi_debugger_ops *ops) 176 { 177 return -ENODEV; 178 } 179 180 static inline void acpi_unregister_debugger(const struct acpi_debugger_ops *ops) 181 { 182 } 183 184 static inline int acpi_debugger_create_thread(acpi_osd_exec_callback function, 185 void *context) 186 { 187 return -ENODEV; 188 } 189 190 static inline int acpi_debugger_write_log(const char *msg) 191 { 192 return -ENODEV; 193 } 194 195 static inline int acpi_debugger_read_cmd(char *buffer, u32 buffer_length) 196 { 197 return -ENODEV; 198 } 199 200 static inline int acpi_debugger_wait_command_ready(void) 201 { 202 return -ENODEV; 203 } 204 205 static inline int acpi_debugger_notify_command_complete(void) 206 { 207 return -ENODEV; 208 } 209 #endif 210 211 #define BAD_MADT_ENTRY(entry, end) ( \ 212 (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ 213 ((struct acpi_subtable_header *)entry)->length < sizeof(*entry)) 214 215 struct acpi_subtable_proc { 216 int id; 217 acpi_tbl_entry_handler handler; 218 int count; 219 }; 220 221 void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); 222 void __acpi_unmap_table(void __iomem *map, unsigned long size); 223 int early_acpi_boot_init(void); 224 int acpi_boot_init (void); 225 void acpi_boot_table_init (void); 226 int acpi_mps_check (void); 227 int acpi_numa_init (void); 228 229 int acpi_table_init (void); 230 int acpi_table_parse(char *id, acpi_tbl_table_handler handler); 231 int __init acpi_table_parse_entries(char *id, unsigned long table_size, 232 int entry_id, 233 acpi_tbl_entry_handler handler, 234 unsigned int max_entries); 235 int __init acpi_table_parse_entries_array(char *id, unsigned long table_size, 236 struct acpi_subtable_proc *proc, int proc_num, 237 unsigned int max_entries); 238 int acpi_table_parse_madt(enum acpi_madt_type id, 239 acpi_tbl_entry_handler handler, 240 unsigned int max_entries); 241 int acpi_parse_mcfg (struct acpi_table_header *header); 242 void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); 243 244 /* the following numa functions are architecture-dependent */ 245 void acpi_numa_slit_init (struct acpi_table_slit *slit); 246 247 #if defined(CONFIG_X86) || defined(CONFIG_IA64) 248 void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); 249 #else 250 static inline void 251 acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa) { } 252 #endif 253 254 void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); 255 256 #ifdef CONFIG_ARM64 257 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); 258 #else 259 static inline void 260 acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } 261 #endif 262 263 int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); 264 265 #ifndef PHYS_CPUID_INVALID 266 typedef u32 phys_cpuid_t; 267 #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) 268 #endif 269 270 static inline bool invalid_logical_cpuid(u32 cpuid) 271 { 272 return (int)cpuid < 0; 273 } 274 275 static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) 276 { 277 return phys_id == PHYS_CPUID_INVALID; 278 } 279 280 /* Validate the processor object's proc_id */ 281 bool acpi_duplicate_processor_id(int proc_id); 282 283 #ifdef CONFIG_ACPI_HOTPLUG_CPU 284 /* Arch dependent functions for cpu hotplug support */ 285 int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, 286 int *pcpu); 287 int acpi_unmap_cpu(int cpu); 288 #endif /* CONFIG_ACPI_HOTPLUG_CPU */ 289 290 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 291 int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); 292 #endif 293 294 int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); 295 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); 296 int acpi_ioapic_registered(acpi_handle handle, u32 gsi_base); 297 void acpi_irq_stats_init(void); 298 extern u32 acpi_irq_handled; 299 extern u32 acpi_irq_not_handled; 300 extern unsigned int acpi_sci_irq; 301 extern bool acpi_no_s5; 302 #define INVALID_ACPI_IRQ ((unsigned)-1) 303 static inline bool acpi_sci_irq_valid(void) 304 { 305 return acpi_sci_irq != INVALID_ACPI_IRQ; 306 } 307 308 extern int sbf_port; 309 extern unsigned long acpi_realmode_flags; 310 311 int acpi_register_gsi (struct device *dev, u32 gsi, int triggering, int polarity); 312 int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); 313 int acpi_isa_irq_to_gsi (unsigned isa_irq, u32 *gsi); 314 315 void acpi_set_irq_model(enum acpi_irq_model_id model, 316 struct fwnode_handle *fwnode); 317 318 struct irq_domain *acpi_irq_create_hierarchy(unsigned int flags, 319 unsigned int size, 320 struct fwnode_handle *fwnode, 321 const struct irq_domain_ops *ops, 322 void *host_data); 323 324 #ifdef CONFIG_X86_IO_APIC 325 extern int acpi_get_override_irq(u32 gsi, int *trigger, int *polarity); 326 #else 327 #define acpi_get_override_irq(gsi, trigger, polarity) (-1) 328 #endif 329 /* 330 * This function undoes the effect of one call to acpi_register_gsi(). 331 * If this matches the last registration, any IRQ resources for gsi 332 * are freed. 333 */ 334 void acpi_unregister_gsi (u32 gsi); 335 336 struct pci_dev; 337 338 int acpi_pci_irq_enable (struct pci_dev *dev); 339 void acpi_penalize_isa_irq(int irq, int active); 340 bool acpi_isa_irq_available(int irq); 341 #ifdef CONFIG_PCI 342 void acpi_penalize_sci_irq(int irq, int trigger, int polarity); 343 #else 344 static inline void acpi_penalize_sci_irq(int irq, int trigger, 345 int polarity) 346 { 347 } 348 #endif 349 void acpi_pci_irq_disable (struct pci_dev *dev); 350 351 extern int ec_read(u8 addr, u8 *val); 352 extern int ec_write(u8 addr, u8 val); 353 extern int ec_transaction(u8 command, 354 const u8 *wdata, unsigned wdata_len, 355 u8 *rdata, unsigned rdata_len); 356 extern acpi_handle ec_get_handle(void); 357 358 extern bool acpi_is_pnp_device(struct acpi_device *); 359 360 #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) 361 362 typedef void (*wmi_notify_handler) (u32 value, void *context); 363 364 extern acpi_status wmi_evaluate_method(const char *guid, u8 instance, 365 u32 method_id, 366 const struct acpi_buffer *in, 367 struct acpi_buffer *out); 368 extern acpi_status wmi_query_block(const char *guid, u8 instance, 369 struct acpi_buffer *out); 370 extern acpi_status wmi_set_block(const char *guid, u8 instance, 371 const struct acpi_buffer *in); 372 extern acpi_status wmi_install_notify_handler(const char *guid, 373 wmi_notify_handler handler, void *data); 374 extern acpi_status wmi_remove_notify_handler(const char *guid); 375 extern acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out); 376 extern bool wmi_has_guid(const char *guid); 377 378 #endif /* CONFIG_ACPI_WMI */ 379 380 #define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 381 #define ACPI_VIDEO_DEVICE_POSTING 0x0002 382 #define ACPI_VIDEO_ROM_AVAILABLE 0x0004 383 #define ACPI_VIDEO_BACKLIGHT 0x0008 384 #define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 385 #define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 386 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 387 #define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 388 #define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 389 #define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 390 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 391 #define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 392 393 extern char acpi_video_backlight_string[]; 394 extern long acpi_is_video_device(acpi_handle handle); 395 extern int acpi_blacklisted(void); 396 extern void acpi_osi_setup(char *str); 397 extern bool acpi_osi_is_win8(void); 398 399 #ifdef CONFIG_ACPI_NUMA 400 int acpi_map_pxm_to_online_node(int pxm); 401 int acpi_map_pxm_to_node(int pxm); 402 int acpi_get_node(acpi_handle handle); 403 #else 404 static inline int acpi_map_pxm_to_online_node(int pxm) 405 { 406 return 0; 407 } 408 static inline int acpi_map_pxm_to_node(int pxm) 409 { 410 return 0; 411 } 412 static inline int acpi_get_node(acpi_handle handle) 413 { 414 return 0; 415 } 416 #endif 417 extern int acpi_paddr_to_node(u64 start_addr, u64 size); 418 419 extern int pnpacpi_disabled; 420 421 #define PXM_INVAL (-1) 422 423 bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); 424 bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); 425 bool acpi_dev_resource_address_space(struct acpi_resource *ares, 426 struct resource_win *win); 427 bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, 428 struct resource_win *win); 429 unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); 430 unsigned int acpi_dev_get_irq_type(int triggering, int polarity); 431 bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, 432 struct resource *res); 433 434 void acpi_dev_free_resource_list(struct list_head *list); 435 int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, 436 int (*preproc)(struct acpi_resource *, void *), 437 void *preproc_data); 438 int acpi_dev_get_dma_resources(struct acpi_device *adev, 439 struct list_head *list); 440 int acpi_dev_filter_resource_type(struct acpi_resource *ares, 441 unsigned long types); 442 443 static inline int acpi_dev_filter_resource_type_cb(struct acpi_resource *ares, 444 void *arg) 445 { 446 return acpi_dev_filter_resource_type(ares, (unsigned long)arg); 447 } 448 449 struct acpi_device *acpi_resource_consumer(struct resource *res); 450 451 int acpi_check_resource_conflict(const struct resource *res); 452 453 int acpi_check_region(resource_size_t start, resource_size_t n, 454 const char *name); 455 456 acpi_status acpi_release_memory(acpi_handle handle, struct resource *res, 457 u32 level); 458 459 int acpi_resources_are_enforced(void); 460 461 #ifdef CONFIG_HIBERNATION 462 void __init acpi_no_s4_hw_signature(void); 463 #endif 464 465 #ifdef CONFIG_PM_SLEEP 466 void __init acpi_old_suspend_ordering(void); 467 void __init acpi_nvs_nosave(void); 468 void __init acpi_nvs_nosave_s3(void); 469 void __init acpi_sleep_no_blacklist(void); 470 #endif /* CONFIG_PM_SLEEP */ 471 472 struct acpi_osc_context { 473 char *uuid_str; /* UUID string */ 474 int rev; 475 struct acpi_buffer cap; /* list of DWORD capabilities */ 476 struct acpi_buffer ret; /* free by caller if success */ 477 }; 478 479 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); 480 481 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */ 482 #define OSC_QUERY_DWORD 0 /* DWORD 1 */ 483 #define OSC_SUPPORT_DWORD 1 /* DWORD 2 */ 484 #define OSC_CONTROL_DWORD 2 /* DWORD 3 */ 485 486 /* _OSC Capabilities DWORD 1: Query/Control and Error Returns (generic) */ 487 #define OSC_QUERY_ENABLE 0x00000001 /* input */ 488 #define OSC_REQUEST_ERROR 0x00000002 /* return */ 489 #define OSC_INVALID_UUID_ERROR 0x00000004 /* return */ 490 #define OSC_INVALID_REVISION_ERROR 0x00000008 /* return */ 491 #define OSC_CAPABILITIES_MASK_ERROR 0x00000010 /* return */ 492 493 /* Platform-Wide Capabilities _OSC: Capabilities DWORD 2: Support Field */ 494 #define OSC_SB_PAD_SUPPORT 0x00000001 495 #define OSC_SB_PPC_OST_SUPPORT 0x00000002 496 #define OSC_SB_PR3_SUPPORT 0x00000004 497 #define OSC_SB_HOTPLUG_OST_SUPPORT 0x00000008 498 #define OSC_SB_APEI_SUPPORT 0x00000010 499 #define OSC_SB_CPC_SUPPORT 0x00000020 500 #define OSC_SB_CPCV2_SUPPORT 0x00000040 501 #define OSC_SB_PCLPI_SUPPORT 0x00000080 502 #define OSC_SB_OSLPI_SUPPORT 0x00000100 503 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 504 505 extern bool osc_sb_apei_support_acked; 506 extern bool osc_pc_lpi_support_confirmed; 507 508 /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ 509 #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 510 #define OSC_PCI_ASPM_SUPPORT 0x00000002 511 #define OSC_PCI_CLOCK_PM_SUPPORT 0x00000004 512 #define OSC_PCI_SEGMENT_GROUPS_SUPPORT 0x00000008 513 #define OSC_PCI_MSI_SUPPORT 0x00000010 514 #define OSC_PCI_HPX_TYPE_3_SUPPORT 0x00000100 515 #define OSC_PCI_SUPPORT_MASKS 0x0000011f 516 517 /* PCI Host Bridge _OSC: Capabilities DWORD 3: Control Field */ 518 #define OSC_PCI_EXPRESS_NATIVE_HP_CONTROL 0x00000001 519 #define OSC_PCI_SHPC_NATIVE_HP_CONTROL 0x00000002 520 #define OSC_PCI_EXPRESS_PME_CONTROL 0x00000004 521 #define OSC_PCI_EXPRESS_AER_CONTROL 0x00000008 522 #define OSC_PCI_EXPRESS_CAPABILITY_CONTROL 0x00000010 523 #define OSC_PCI_EXPRESS_LTR_CONTROL 0x00000020 524 #define OSC_PCI_CONTROL_MASKS 0x0000003f 525 526 #define ACPI_GSB_ACCESS_ATTRIB_QUICK 0x00000002 527 #define ACPI_GSB_ACCESS_ATTRIB_SEND_RCV 0x00000004 528 #define ACPI_GSB_ACCESS_ATTRIB_BYTE 0x00000006 529 #define ACPI_GSB_ACCESS_ATTRIB_WORD 0x00000008 530 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK 0x0000000A 531 #define ACPI_GSB_ACCESS_ATTRIB_MULTIBYTE 0x0000000B 532 #define ACPI_GSB_ACCESS_ATTRIB_WORD_CALL 0x0000000C 533 #define ACPI_GSB_ACCESS_ATTRIB_BLOCK_CALL 0x0000000D 534 #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E 535 #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F 536 537 extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, 538 u32 *mask, u32 req); 539 540 /* Enable _OST when all relevant hotplug operations are enabled */ 541 #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ 542 defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ 543 defined(CONFIG_ACPI_CONTAINER) 544 #define ACPI_HOTPLUG_OST 545 #endif 546 547 /* _OST Source Event Code (OSPM Action) */ 548 #define ACPI_OST_EC_OSPM_SHUTDOWN 0x100 549 #define ACPI_OST_EC_OSPM_EJECT 0x103 550 #define ACPI_OST_EC_OSPM_INSERTION 0x200 551 552 /* _OST General Processing Status Code */ 553 #define ACPI_OST_SC_SUCCESS 0x0 554 #define ACPI_OST_SC_NON_SPECIFIC_FAILURE 0x1 555 #define ACPI_OST_SC_UNRECOGNIZED_NOTIFY 0x2 556 557 /* _OST OS Shutdown Processing (0x100) Status Code */ 558 #define ACPI_OST_SC_OS_SHUTDOWN_DENIED 0x80 559 #define ACPI_OST_SC_OS_SHUTDOWN_IN_PROGRESS 0x81 560 #define ACPI_OST_SC_OS_SHUTDOWN_COMPLETED 0x82 561 #define ACPI_OST_SC_OS_SHUTDOWN_NOT_SUPPORTED 0x83 562 563 /* _OST Ejection Request (0x3, 0x103) Status Code */ 564 #define ACPI_OST_SC_EJECT_NOT_SUPPORTED 0x80 565 #define ACPI_OST_SC_DEVICE_IN_USE 0x81 566 #define ACPI_OST_SC_DEVICE_BUSY 0x82 567 #define ACPI_OST_SC_EJECT_DEPENDENCY_BUSY 0x83 568 #define ACPI_OST_SC_EJECT_IN_PROGRESS 0x84 569 570 /* _OST Insertion Request (0x200) Status Code */ 571 #define ACPI_OST_SC_INSERT_IN_PROGRESS 0x80 572 #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 573 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 574 575 enum acpi_predicate { 576 all_versions, 577 less_than_or_equal, 578 equal, 579 greater_than_or_equal, 580 }; 581 582 /* Table must be terminted by a NULL entry */ 583 struct acpi_platform_list { 584 char oem_id[ACPI_OEM_ID_SIZE+1]; 585 char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; 586 u32 oem_revision; 587 char *table; 588 enum acpi_predicate pred; 589 char *reason; 590 u32 data; 591 }; 592 int acpi_match_platform_list(const struct acpi_platform_list *plat); 593 594 extern void acpi_early_init(void); 595 extern void acpi_subsystem_init(void); 596 extern void arch_post_acpi_subsys_init(void); 597 598 extern int acpi_nvs_register(__u64 start, __u64 size); 599 600 extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 601 void *data); 602 603 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, 604 const struct device *dev); 605 606 const void *acpi_device_get_match_data(const struct device *dev); 607 extern bool acpi_driver_match_device(struct device *dev, 608 const struct device_driver *drv); 609 int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); 610 int acpi_device_modalias(struct device *, char *, int); 611 void acpi_walk_dep_device_list(acpi_handle handle); 612 613 struct platform_device *acpi_create_platform_device(struct acpi_device *, 614 struct property_entry *); 615 #define ACPI_PTR(_ptr) (_ptr) 616 617 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 618 { 619 adev->flags.visited = true; 620 } 621 622 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 623 { 624 adev->flags.visited = false; 625 } 626 627 enum acpi_reconfig_event { 628 ACPI_RECONFIG_DEVICE_ADD = 0, 629 ACPI_RECONFIG_DEVICE_REMOVE, 630 }; 631 632 int acpi_reconfig_notifier_register(struct notifier_block *nb); 633 int acpi_reconfig_notifier_unregister(struct notifier_block *nb); 634 635 #ifdef CONFIG_ACPI_GTDT 636 int acpi_gtdt_init(struct acpi_table_header *table, int *platform_timer_count); 637 int acpi_gtdt_map_ppi(int type); 638 bool acpi_gtdt_c3stop(int type); 639 int acpi_arch_timer_mem_init(struct arch_timer_mem *timer_mem, int *timer_count); 640 #endif 641 642 #ifndef ACPI_HAVE_ARCH_GET_ROOT_POINTER 643 static inline u64 acpi_arch_get_root_pointer(void) 644 { 645 return 0; 646 } 647 #endif 648 649 #else /* !CONFIG_ACPI */ 650 651 #define acpi_disabled 1 652 653 #define ACPI_COMPANION(dev) (NULL) 654 #define ACPI_COMPANION_SET(dev, adev) do { } while (0) 655 #define ACPI_HANDLE(dev) (NULL) 656 #define ACPI_HANDLE_FWNODE(fwnode) (NULL) 657 #define ACPI_DEVICE_CLASS(_cls, _msk) .cls = (0), .cls_msk = (0), 658 659 struct fwnode_handle; 660 661 static inline bool acpi_dev_found(const char *hid) 662 { 663 return false; 664 } 665 666 static inline bool acpi_dev_present(const char *hid, const char *uid, s64 hrv) 667 { 668 return false; 669 } 670 671 static inline struct acpi_device * 672 acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) 673 { 674 return NULL; 675 } 676 677 static inline void acpi_dev_put(struct acpi_device *adev) {} 678 679 static inline bool is_acpi_node(struct fwnode_handle *fwnode) 680 { 681 return false; 682 } 683 684 static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) 685 { 686 return false; 687 } 688 689 static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) 690 { 691 return NULL; 692 } 693 694 static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) 695 { 696 return false; 697 } 698 699 static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) 700 { 701 return NULL; 702 } 703 704 static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, 705 const char *name) 706 { 707 return false; 708 } 709 710 static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) 711 { 712 return NULL; 713 } 714 715 static inline bool has_acpi_companion(struct device *dev) 716 { 717 return false; 718 } 719 720 static inline void acpi_preset_companion(struct device *dev, 721 struct acpi_device *parent, u64 addr) 722 { 723 } 724 725 static inline const char *acpi_dev_name(struct acpi_device *adev) 726 { 727 return NULL; 728 } 729 730 static inline struct device *acpi_get_first_physical_node(struct acpi_device *adev) 731 { 732 return NULL; 733 } 734 735 static inline void acpi_early_init(void) { } 736 static inline void acpi_subsystem_init(void) { } 737 738 static inline int early_acpi_boot_init(void) 739 { 740 return 0; 741 } 742 static inline int acpi_boot_init(void) 743 { 744 return 0; 745 } 746 747 static inline void acpi_boot_table_init(void) 748 { 749 return; 750 } 751 752 static inline int acpi_mps_check(void) 753 { 754 return 0; 755 } 756 757 static inline int acpi_check_resource_conflict(struct resource *res) 758 { 759 return 0; 760 } 761 762 static inline int acpi_check_region(resource_size_t start, resource_size_t n, 763 const char *name) 764 { 765 return 0; 766 } 767 768 struct acpi_table_header; 769 static inline int acpi_table_parse(char *id, 770 int (*handler)(struct acpi_table_header *)) 771 { 772 return -ENODEV; 773 } 774 775 static inline int acpi_nvs_register(__u64 start, __u64 size) 776 { 777 return 0; 778 } 779 780 static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), 781 void *data) 782 { 783 return 0; 784 } 785 786 struct acpi_device_id; 787 788 static inline const struct acpi_device_id *acpi_match_device( 789 const struct acpi_device_id *ids, const struct device *dev) 790 { 791 return NULL; 792 } 793 794 static inline const void *acpi_device_get_match_data(const struct device *dev) 795 { 796 return NULL; 797 } 798 799 static inline bool acpi_driver_match_device(struct device *dev, 800 const struct device_driver *drv) 801 { 802 return false; 803 } 804 805 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle, 806 const guid_t *guid, 807 int rev, int func, 808 union acpi_object *argv4) 809 { 810 return NULL; 811 } 812 813 static inline int acpi_device_uevent_modalias(struct device *dev, 814 struct kobj_uevent_env *env) 815 { 816 return -ENODEV; 817 } 818 819 static inline int acpi_device_modalias(struct device *dev, 820 char *buf, int size) 821 { 822 return -ENODEV; 823 } 824 825 static inline bool acpi_dma_supported(struct acpi_device *adev) 826 { 827 return false; 828 } 829 830 static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) 831 { 832 return DEV_DMA_NOT_SUPPORTED; 833 } 834 835 static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, 836 u64 *offset, u64 *size) 837 { 838 return -ENODEV; 839 } 840 841 static inline int acpi_dma_configure(struct device *dev, 842 enum dev_dma_attr attr) 843 { 844 return 0; 845 } 846 847 #define ACPI_PTR(_ptr) (NULL) 848 849 static inline void acpi_device_set_enumerated(struct acpi_device *adev) 850 { 851 } 852 853 static inline void acpi_device_clear_enumerated(struct acpi_device *adev) 854 { 855 } 856 857 static inline int acpi_reconfig_notifier_register(struct notifier_block *nb) 858 { 859 return -EINVAL; 860 } 861 862 static inline int acpi_reconfig_notifier_unregister(struct notifier_block *nb) 863 { 864 return -EINVAL; 865 } 866 867 static inline struct acpi_device *acpi_resource_consumer(struct resource *res) 868 { 869 return NULL; 870 } 871 872 #endif /* !CONFIG_ACPI */ 873 874 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 875 int acpi_ioapic_add(acpi_handle root); 876 #else 877 static inline int acpi_ioapic_add(acpi_handle root) { return 0; } 878 #endif 879 880 #ifdef CONFIG_ACPI 881 void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, 882 u32 pm1a_ctrl, u32 pm1b_ctrl)); 883 884 acpi_status acpi_os_prepare_sleep(u8 sleep_state, 885 u32 pm1a_control, u32 pm1b_control); 886 887 void acpi_os_set_prepare_extended_sleep(int (*func)(u8 sleep_state, 888 u32 val_a, u32 val_b)); 889 890 acpi_status acpi_os_prepare_extended_sleep(u8 sleep_state, 891 u32 val_a, u32 val_b); 892 893 #ifdef CONFIG_X86 894 void arch_reserve_mem_area(acpi_physical_address addr, size_t size); 895 #else 896 static inline void arch_reserve_mem_area(acpi_physical_address addr, 897 size_t size) 898 { 899 } 900 #endif /* CONFIG_X86 */ 901 #else 902 #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) 903 #endif 904 905 #if defined(CONFIG_ACPI) && defined(CONFIG_PM) 906 int acpi_dev_suspend(struct device *dev, bool wakeup); 907 int acpi_dev_resume(struct device *dev); 908 int acpi_subsys_runtime_suspend(struct device *dev); 909 int acpi_subsys_runtime_resume(struct device *dev); 910 int acpi_dev_pm_attach(struct device *dev, bool power_on); 911 #else 912 static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } 913 static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } 914 static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } 915 static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } 916 static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) 917 { 918 return 0; 919 } 920 #endif 921 922 #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) 923 int acpi_subsys_prepare(struct device *dev); 924 void acpi_subsys_complete(struct device *dev); 925 int acpi_subsys_suspend_late(struct device *dev); 926 int acpi_subsys_suspend_noirq(struct device *dev); 927 int acpi_subsys_suspend(struct device *dev); 928 int acpi_subsys_freeze(struct device *dev); 929 int acpi_subsys_poweroff(struct device *dev); 930 #else 931 static inline int acpi_subsys_prepare(struct device *dev) { return 0; } 932 static inline void acpi_subsys_complete(struct device *dev) {} 933 static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } 934 static inline int acpi_subsys_suspend_noirq(struct device *dev) { return 0; } 935 static inline int acpi_subsys_suspend(struct device *dev) { return 0; } 936 static inline int acpi_subsys_freeze(struct device *dev) { return 0; } 937 static inline int acpi_subsys_poweroff(struct device *dev) { return 0; } 938 #endif 939 940 #ifdef CONFIG_ACPI 941 __printf(3, 4) 942 void acpi_handle_printk(const char *level, acpi_handle handle, 943 const char *fmt, ...); 944 #else /* !CONFIG_ACPI */ 945 static inline __printf(3, 4) void 946 acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 947 #endif /* !CONFIG_ACPI */ 948 949 #if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) 950 __printf(3, 4) 951 void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); 952 #endif 953 954 /* 955 * acpi_handle_<level>: Print message with ACPI prefix and object path 956 * 957 * These interfaces acquire the global namespace mutex to obtain an object 958 * path. In interrupt context, it shows the object path as <n/a>. 959 */ 960 #define acpi_handle_emerg(handle, fmt, ...) \ 961 acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) 962 #define acpi_handle_alert(handle, fmt, ...) \ 963 acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) 964 #define acpi_handle_crit(handle, fmt, ...) \ 965 acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) 966 #define acpi_handle_err(handle, fmt, ...) \ 967 acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) 968 #define acpi_handle_warn(handle, fmt, ...) \ 969 acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) 970 #define acpi_handle_notice(handle, fmt, ...) \ 971 acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) 972 #define acpi_handle_info(handle, fmt, ...) \ 973 acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) 974 975 #if defined(DEBUG) 976 #define acpi_handle_debug(handle, fmt, ...) \ 977 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) 978 #else 979 #if defined(CONFIG_DYNAMIC_DEBUG) 980 #define acpi_handle_debug(handle, fmt, ...) \ 981 _dynamic_func_call(fmt, __acpi_handle_debug, \ 982 handle, pr_fmt(fmt), ##__VA_ARGS__) 983 #else 984 #define acpi_handle_debug(handle, fmt, ...) \ 985 ({ \ 986 if (0) \ 987 acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ 988 0; \ 989 }) 990 #endif 991 #endif 992 993 struct acpi_gpio_params { 994 unsigned int crs_entry_index; 995 unsigned int line_index; 996 bool active_low; 997 }; 998 999 struct acpi_gpio_mapping { 1000 const char *name; 1001 const struct acpi_gpio_params *data; 1002 unsigned int size; 1003 1004 /* Ignore IoRestriction field */ 1005 #define ACPI_GPIO_QUIRK_NO_IO_RESTRICTION BIT(0) 1006 /* 1007 * When ACPI GPIO mapping table is in use the index parameter inside it 1008 * refers to the GPIO resource in _CRS method. That index has no 1009 * distinction of actual type of the resource. When consumer wants to 1010 * get GpioIo type explicitly, this quirk may be used. 1011 */ 1012 #define ACPI_GPIO_QUIRK_ONLY_GPIOIO BIT(1) 1013 1014 unsigned int quirks; 1015 }; 1016 1017 #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) 1018 int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1019 const struct acpi_gpio_mapping *gpios); 1020 1021 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) 1022 { 1023 if (adev) 1024 adev->driver_gpios = NULL; 1025 } 1026 1027 int devm_acpi_dev_add_driver_gpios(struct device *dev, 1028 const struct acpi_gpio_mapping *gpios); 1029 void devm_acpi_dev_remove_driver_gpios(struct device *dev); 1030 1031 bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1032 struct acpi_resource_gpio **agpio); 1033 int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); 1034 #else 1035 static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, 1036 const struct acpi_gpio_mapping *gpios) 1037 { 1038 return -ENXIO; 1039 } 1040 static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {} 1041 1042 static inline int devm_acpi_dev_add_driver_gpios(struct device *dev, 1043 const struct acpi_gpio_mapping *gpios) 1044 { 1045 return -ENXIO; 1046 } 1047 static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {} 1048 1049 static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, 1050 struct acpi_resource_gpio **agpio) 1051 { 1052 return false; 1053 } 1054 static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) 1055 { 1056 return -ENXIO; 1057 } 1058 #endif 1059 1060 /* Device properties */ 1061 1062 #ifdef CONFIG_ACPI 1063 int acpi_dev_get_property(const struct acpi_device *adev, const char *name, 1064 acpi_object_type type, const union acpi_object **obj); 1065 int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1066 const char *name, size_t index, size_t num_args, 1067 struct fwnode_reference_args *args); 1068 1069 static inline int acpi_node_get_property_reference( 1070 const struct fwnode_handle *fwnode, 1071 const char *name, size_t index, 1072 struct fwnode_reference_args *args) 1073 { 1074 return __acpi_node_get_property_reference(fwnode, name, index, 1075 NR_FWNODE_REFERENCE_ARGS, args); 1076 } 1077 1078 static inline bool acpi_dev_has_props(const struct acpi_device *adev) 1079 { 1080 return !list_empty(&adev->data.properties); 1081 } 1082 1083 struct acpi_device_properties * 1084 acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, 1085 const union acpi_object *properties); 1086 1087 int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, 1088 void **valptr); 1089 int acpi_dev_prop_read_single(struct acpi_device *adev, 1090 const char *propname, enum dev_prop_type proptype, 1091 void *val); 1092 int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1093 const char *propname, enum dev_prop_type proptype, 1094 void *val, size_t nval); 1095 int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, 1096 enum dev_prop_type proptype, void *val, size_t nval); 1097 1098 struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1099 struct fwnode_handle *child); 1100 struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); 1101 1102 struct acpi_probe_entry; 1103 typedef bool (*acpi_probe_entry_validate_subtbl)(struct acpi_subtable_header *, 1104 struct acpi_probe_entry *); 1105 1106 #define ACPI_TABLE_ID_LEN 5 1107 1108 /** 1109 * struct acpi_probe_entry - boot-time probing entry 1110 * @id: ACPI table name 1111 * @type: Optional subtable type to match 1112 * (if @id contains subtables) 1113 * @subtable_valid: Optional callback to check the validity of 1114 * the subtable 1115 * @probe_table: Callback to the driver being probed when table 1116 * match is successful 1117 * @probe_subtbl: Callback to the driver being probed when table and 1118 * subtable match (and optional callback is successful) 1119 * @driver_data: Sideband data provided back to the driver 1120 */ 1121 struct acpi_probe_entry { 1122 __u8 id[ACPI_TABLE_ID_LEN]; 1123 __u8 type; 1124 acpi_probe_entry_validate_subtbl subtable_valid; 1125 union { 1126 acpi_tbl_table_handler probe_table; 1127 acpi_tbl_entry_handler probe_subtbl; 1128 }; 1129 kernel_ulong_t driver_data; 1130 }; 1131 1132 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1133 static const struct acpi_probe_entry __acpi_probe_##name \ 1134 __used __section(__##table##_acpi_probe_table) \ 1135 = { \ 1136 .id = table_id, \ 1137 .type = subtable, \ 1138 .subtable_valid = valid, \ 1139 .probe_table = (acpi_tbl_table_handler)fn, \ 1140 .driver_data = data, \ 1141 } 1142 1143 #define ACPI_PROBE_TABLE(name) __##name##_acpi_probe_table 1144 #define ACPI_PROBE_TABLE_END(name) __##name##_acpi_probe_table_end 1145 1146 int __acpi_probe_device_table(struct acpi_probe_entry *start, int nr); 1147 1148 #define acpi_probe_device_table(t) \ 1149 ({ \ 1150 extern struct acpi_probe_entry ACPI_PROBE_TABLE(t), \ 1151 ACPI_PROBE_TABLE_END(t); \ 1152 __acpi_probe_device_table(&ACPI_PROBE_TABLE(t), \ 1153 (&ACPI_PROBE_TABLE_END(t) - \ 1154 &ACPI_PROBE_TABLE(t))); \ 1155 }) 1156 #else 1157 static inline int acpi_dev_get_property(struct acpi_device *adev, 1158 const char *name, acpi_object_type type, 1159 const union acpi_object **obj) 1160 { 1161 return -ENXIO; 1162 } 1163 1164 static inline int 1165 __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1166 const char *name, size_t index, size_t num_args, 1167 struct fwnode_reference_args *args) 1168 { 1169 return -ENXIO; 1170 } 1171 1172 static inline int 1173 acpi_node_get_property_reference(const struct fwnode_handle *fwnode, 1174 const char *name, size_t index, 1175 struct fwnode_reference_args *args) 1176 { 1177 return -ENXIO; 1178 } 1179 1180 static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, 1181 const char *propname, 1182 void **valptr) 1183 { 1184 return -ENXIO; 1185 } 1186 1187 static inline int acpi_dev_prop_get(const struct acpi_device *adev, 1188 const char *propname, 1189 void **valptr) 1190 { 1191 return -ENXIO; 1192 } 1193 1194 static inline int acpi_dev_prop_read_single(const struct acpi_device *adev, 1195 const char *propname, 1196 enum dev_prop_type proptype, 1197 void *val) 1198 { 1199 return -ENXIO; 1200 } 1201 1202 static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode, 1203 const char *propname, 1204 enum dev_prop_type proptype, 1205 void *val, size_t nval) 1206 { 1207 return -ENXIO; 1208 } 1209 1210 static inline int acpi_dev_prop_read(const struct acpi_device *adev, 1211 const char *propname, 1212 enum dev_prop_type proptype, 1213 void *val, size_t nval) 1214 { 1215 return -ENXIO; 1216 } 1217 1218 static inline struct fwnode_handle * 1219 acpi_get_next_subnode(const struct fwnode_handle *fwnode, 1220 struct fwnode_handle *child) 1221 { 1222 return NULL; 1223 } 1224 1225 static inline struct fwnode_handle * 1226 acpi_node_get_parent(const struct fwnode_handle *fwnode) 1227 { 1228 return NULL; 1229 } 1230 1231 static inline struct fwnode_handle * 1232 acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, 1233 struct fwnode_handle *prev) 1234 { 1235 return ERR_PTR(-ENXIO); 1236 } 1237 1238 static inline int 1239 acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, 1240 struct fwnode_handle **remote, 1241 struct fwnode_handle **port, 1242 struct fwnode_handle **endpoint) 1243 { 1244 return -ENXIO; 1245 } 1246 1247 #define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \ 1248 static const void * __acpi_table_##name[] \ 1249 __attribute__((unused)) \ 1250 = { (void *) table_id, \ 1251 (void *) subtable, \ 1252 (void *) valid, \ 1253 (void *) fn, \ 1254 (void *) data } 1255 1256 #define acpi_probe_device_table(t) ({ int __r = 0; __r;}) 1257 #endif 1258 1259 #ifdef CONFIG_ACPI_TABLE_UPGRADE 1260 void acpi_table_upgrade(void); 1261 #else 1262 static inline void acpi_table_upgrade(void) { } 1263 #endif 1264 1265 #if defined(CONFIG_ACPI) && defined(CONFIG_ACPI_WATCHDOG) 1266 extern bool acpi_has_watchdog(void); 1267 #else 1268 static inline bool acpi_has_watchdog(void) { return false; } 1269 #endif 1270 1271 #ifdef CONFIG_ACPI_SPCR_TABLE 1272 extern bool qdf2400_e44_present; 1273 int acpi_parse_spcr(bool enable_earlycon, bool enable_console); 1274 #else 1275 static inline int acpi_parse_spcr(bool enable_earlycon, bool enable_console) 1276 { 1277 return 0; 1278 } 1279 #endif 1280 1281 #if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) 1282 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res); 1283 #else 1284 static inline 1285 int acpi_irq_get(acpi_handle handle, unsigned int index, struct resource *res) 1286 { 1287 return -EINVAL; 1288 } 1289 #endif 1290 1291 #ifdef CONFIG_ACPI_LPIT 1292 int lpit_read_residency_count_address(u64 *address); 1293 #else 1294 static inline int lpit_read_residency_count_address(u64 *address) 1295 { 1296 return -EINVAL; 1297 } 1298 #endif 1299 1300 #ifdef CONFIG_ACPI_PPTT 1301 int find_acpi_cpu_topology(unsigned int cpu, int level); 1302 int find_acpi_cpu_topology_package(unsigned int cpu); 1303 int find_acpi_cpu_topology_hetero_id(unsigned int cpu); 1304 int find_acpi_cpu_cache_topology(unsigned int cpu, int level); 1305 #else 1306 static inline int find_acpi_cpu_topology(unsigned int cpu, int level) 1307 { 1308 return -EINVAL; 1309 } 1310 static inline int find_acpi_cpu_topology_package(unsigned int cpu) 1311 { 1312 return -EINVAL; 1313 } 1314 static inline int find_acpi_cpu_topology_hetero_id(unsigned int cpu) 1315 { 1316 return -EINVAL; 1317 } 1318 static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) 1319 { 1320 return -EINVAL; 1321 } 1322 #endif 1323 1324 #ifdef CONFIG_ACPI 1325 extern int acpi_platform_notify(struct device *dev, enum kobject_action action); 1326 #else 1327 static inline int 1328 acpi_platform_notify(struct device *dev, enum kobject_action action) 1329 { 1330 return 0; 1331 } 1332 #endif 1333 1334 #endif /*_LINUX_ACPI_H*/ 1335